Set-top enclosure



FIG. 1 is a perspective view of the set-top enclosure.

FIG. 2 is a front elevation view of the set-top enclosure.

FIG. 3 is a right side elevation view of the set-top enclosure. The left side elevation view of the set-top enclosure is a mirror image of the right side elevation view of the set-top enclosure; and,

FIG. 4 is a rear elevation view of the set-top enclosure.

The broken lines depict portions of the set-top enclosure that form no part of the claimed design. 

CLAIM The ornamental design for a set-top enclosure, as shown and described. 